Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of November 2019. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 2004

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2004
1-Month
3.13"
(79.50mm)
2.14"
(54.36mm)
0.99"
(25.14mm)
106th Driest Driest since: 2003 1924
20th Wettest Wettest since: 1998 1998
Ties: 1984
Apr–May 2004
2-Month
4.70"
(119.38mm)
4.50"
(114.30mm)
0.20"
(5.08mm)
77th Driest Driest since: 2002 1924
49th Wettest Wettest since: 2003 1996
Ties: 1965, 2009
Mar–May 2004
3-Month
6.65"
(168.91mm)
7.76"
(197.10mm)
-1.11"
(-28.19mm)
31st Driest Driest since: 2001 1924
95th Wettest Wettest since: 2003 2011
Ties: 1979
Feb–May 2004
4-Month
9.77"
(248.16mm)
11.37"
(288.80mm)
-1.60"
(-40.64mm)
37th Driest Driest since: 2002 1924
89th Wettest Wettest since: 2003 1904
Jan–May 2004
5-Month
14.53"
(369.06mm)
15.90"
(403.86mm)
-1.37"
(-34.80mm)
42nd Driest Driest since: 2001 1924
84th Wettest Wettest since: 2003 1904
Dec 2003–May 2004
6-Month
19.90"
(505.46mm)
20.54"
(521.72mm)
-0.64"
(-16.26mm)
47th Driest Driest since: 2001 1977
78th Wettest Wettest since: 2003 1997
Ties: 1908
Nov 2003–May 2004
7-Month
23.91"
(607.31mm)
24.89"
(632.21mm)
-0.98"
(-24.90mm)
48th Driest Driest since: 2001 1977
77th Wettest Wettest since: 2003 1974
Oct 2003–May 2004
8-Month
26.40"
(670.56mm)
27.45"
(697.23mm)
-1.05"
(-26.67mm)
45th Driest Driest since: 2001 1977
80th Wettest Wettest since: 2003 1974
Sep 2003–May 2004
9-Month
27.38"
(695.45mm)
28.87"
(733.30mm)
-1.49"
(-37.85mm)
36th Driest Driest since: 2001 1977
89th Wettest Wettest since: 2003 1974
Aug 2003–May 2004
10-Month
27.97"
(710.44mm)
29.68"
(753.87mm)
-1.71"
(-43.43mm)
38th Driest Driest since: 2003 1977
87th Wettest Wettest since: 2002 1974
Jul 2003–May 2004
11-Month
28.21"
(716.53mm)
30.40"
(772.16mm)
-2.19"
(-55.63mm)
33rd Driest Driest since: 2001 1977
92nd Wettest Wettest since: 2003 1974
Ties: 1945
Jun 2003–May 2004
12-Month
28.65"
(727.71mm)
32.13"
(816.10mm)
-3.48"
(-88.39mm)
24th Driest Driest since: 2001 1977
101st Wettest Wettest since: 2003 1996
Dec 2002–May 2004
18-Month
52.28"
(1,327.91mm)
52.65"
(1,337.31mm)
-0.37"
(-9.40mm)
64th Driest Driest since: 2003 1930
60th Wettest Wettest since: 2000 1997
Jun 2002–May 2004
24-Month
58.35"
(1,482.09mm)
64.28"
(1,632.71mm)
-5.93"
(-150.62mm)
20th Driest Driest since: 2002 1930
104th Wettest Wettest since: 2003 1997
Jun 2001–May 2004
36-Month
90.53"
(2,299.46mm)
96.36"
(2,447.54mm)
-5.83"
(-148.08mm)
29th Driest Driest since: 2003 1931
94th Wettest Wettest since: 2000 1998
Jun 2000–May 2004
48-Month
111.68"
(2,836.67mm)
128.40"
(3,261.36mm)
-16.72"
(-424.69mm)
3rd Driest Driest since: 1932 1931
119th Wettest Wettest since: 2003 1999
Jun 1999–May 2004
60-Month
142.18"
(3,611.37mm)
160.37"
(4,073.40mm)
-18.19"
(-462.03mm)
6th Driest Driest since: 1933 1933
115th Wettest Wettest since: 2003 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/